GB0601346D0 - Earth boring apparatus - Google Patents

Earth boring apparatus

Info

Publication number
GB0601346D0
GB0601346D0 GBGB0601346.0A GB0601346A GB0601346D0 GB 0601346 D0 GB0601346 D0 GB 0601346D0 GB 0601346 A GB0601346 A GB 0601346A GB 0601346 D0 GB0601346 D0 GB 0601346D0
Authority
GB
United Kingdom
Prior art keywords
earth boring
boring apparatus
earth
boring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
GBGB0601346.0A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cementation Skanska Ltd
Original Assignee
Cementation Foundations Skanska Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cementation Foundations Skanska Ltd filed Critical Cementation Foundations Skanska Ltd
Priority to GBGB0601346.0A priority Critical patent/GB0601346D0/en
Publication of GB0601346D0 publication Critical patent/GB0601346D0/en
Priority to GB0622068A priority patent/GB2434387B/en
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • E21B10/322—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools cutter shifted by fluid pressure
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/09—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
GBGB0601346.0A 2006-01-23 2006-01-23 Earth boring apparatus Ceased GB0601346D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GBGB0601346.0A GB0601346D0 (en) 2006-01-23 2006-01-23 Earth boring apparatus
GB0622068A GB2434387B (en) 2006-01-23 2006-11-06 Earth boring apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0601346.0A GB0601346D0 (en) 2006-01-23 2006-01-23 Earth boring apparatus

Publications (1)

Publication Number Publication Date
GB0601346D0 true GB0601346D0 (en) 2006-03-01

Family

ID=36010812

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0601346.0A Ceased GB0601346D0 (en) 2006-01-23 2006-01-23 Earth boring apparatus
GB0622068A Active GB2434387B (en) 2006-01-23 2006-11-06 Earth boring apparatus

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0622068A Active GB2434387B (en) 2006-01-23 2006-11-06 Earth boring apparatus

Country Status (1)

Country Link
GB (2) GB0601346D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2458140B (en) * 2008-03-05 2012-02-22 Cementation Found Skanska Ltd Device for recovering detachable base from bore hole

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB215051A (en) * 1923-01-08 1924-05-08 Richard Ford Jenkins Improved operative tool for well-boring
GB330433A (en) * 1929-07-13 1930-06-12 Matvey Alcunovitch Capeliushni Improvements in or relating to expansible boring tools for hydraulic boring appliances
US2697586A (en) * 1949-11-26 1954-12-21 Dolen O Talley Earth underreamer
US3757876A (en) * 1971-09-01 1973-09-11 Smith International Drilling and belling apparatus
GB1416624A (en) * 1973-02-13 1975-12-03 Soil Stabilisation Ltd Earth boring equipment and a method of boring holes in earth
US3938598A (en) * 1975-05-14 1976-02-17 Watts James P Belling apparatus
GB9915576D0 (en) * 1999-07-02 1999-09-01 Kvaerner Cementation Found Ltd Under-reamed diaphragm walls
GB2372056B (en) * 2001-02-08 2004-07-07 Cementation Found Skanska Ltd Improvements relating to piles
ATE310893T1 (en) * 2001-06-01 2005-12-15 Luca Italo De EXPANDABLE DRILLING TOOL
US6595301B1 (en) * 2001-08-17 2003-07-22 Cdx Gas, Llc Single-blade underreamer
US6732817B2 (en) * 2002-02-19 2004-05-11 Smith International, Inc. Expandable underreamer/stabilizer

Also Published As

Publication number Publication date
GB0622068D0 (en) 2006-12-13
GB2434387A (en) 2007-07-25
GB2434387B (en) 2010-12-08

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)